import greenfoot.*;  // (World, Actor, GreenfootImage, Greenfoot and MouseInfo)

/**
 * Write a description of class MyWorld here.
 * 
 * @author (your name) 
 * @version (a version number or a date)
 */
public class MyWorld extends World
{

    /**
     * Constructor for objects of class MyWorld.
     * 
     */
    public MyWorld()
    {    
        // Create a new world with 600x400 cells with a cell size of 1x1 pixels.
        super(600, 400, 1); 
        prepare();
    }

    /**
     * Prepare the world for the start of the program.
     * That is: create the initial objects and add them to the world.
     */
    private void prepare()
    {
        Hangman_Image hangman_image = new Hangman_Image();
        addObject(hangman_image,123,191);
        addObject(hangman_image.a,406,167);
    }
}

import greenfoot.*;  // (World, Actor, GreenfootImage, Greenfoot and MouseInfo)
import java.util.Scanner;
/**
 * Write a description of class Game here.
 * 
 * @author (your name) 
 * @version (a version number or a date)
 */
public class Game extends Actor
{
    /**
     * Act - do whatever the Game wants to do. This method is called whenever
     * the 'Act' or 'Run' button gets pressed in the environment.
     */
    public static int mistakes = 0;
    private Scanner a = new Scanner(System.in);
    public static String guessWord;
    private static String hiddenWord;
    public Game() {
        getGuessWord();
        getHiddenWord();
    }
    public void act() 
    {
        while(!guessWord.equals(hiddenWord)) {

                //Greenfoot.delay(100);
                char guessLetter = getGuessLetter();
            
            hiddenWord = updateHiddenWord(guessLetter);
        }
        printGameCompleteMessage(guessWord);
    }    
    private void getGuessWord() {
        guessWord = Greenfoot.ask("Enter the word to guess in the game of hangman:");
    }
    private void getHiddenWord() {
        String hiddenWord = "";
            for (int i = 0; i < guessWord.length(); i++) {
            hiddenWord += "*";
        }
    }
    private void printHiddenWord() {
        getWorld().showText("The current hidden word is: \n" + hiddenWord, 406, 167);
    }
    private char getGuessLetter() {
        // printHiddenWord();
        String b = Greenfoot.ask("Enter a letter to guess on the hidden word");
        char guessLetter = b.charAt(0);
        return guessLetter;
    }
    private String updateHiddenWord(char guessLetter) {
        String newHiddenWord = hiddenWord;
        for (int i = 0; i < guessWord.length(); i++) {
            if (guessLetter == guessWord.charAt(i)) {
                newHiddenWord = newHiddenWord.substring(0,i) + guessLetter + newHiddenWord.substring(i+1);
            }
        }
        /*if (newHiddenWord.equals(hiddenWord)) {
            mistakes++;
        }*/
        return newHiddenWord;
    }
    private void printGameCompleteMessage(String guessWord) {
        getWorld().showText("You have guessed all the letters in the word \"" + guessWord + "\" Nicely done!", 406, 167);
    }
}

import greenfoot.*;  // (World, Actor, GreenfootImage, Greenfoot and MouseInfo)

/**
 * Write a description of class Hangman_Image here.
 * 
 * @author (your name) 
 * @version (a version number or a date)
 */
public class Hangman_Image extends Actor
{
    /**
     * Act - do whatever the Hangman_Image wants to do. This method is called whenever
     * the 'Act' or 'Run' button gets pressed in the environment.
     */
   
    public Hangman_Image() {
        setImage("Hangman.png");
    }
    public void act() 
    {
        if (Game.mistakes == 0) setImage("Hangman.png");
        if (Game.mistakes == 1) setImage("Hangman1.png");
        if (Game.mistakes == 2) setImage("Hangman2.png");
        if (Game.mistakes == 3) setImage ("Hangman3.png");
        if (Game.mistakes == 4) setImage ("Hangman4.png");
        if (Game.mistakes == 5) setImage ("Hangman5.png");
        if (Game.mistakes == 6) {
            setImage("Hangman6.png");
            getWorld().showText("The word was " + Game.guessWord + "!", 300, 200);
            Greenfoot.stop();
        }
    }    
}

import greenfoot.*;  // (World, Actor, GreenfootImage, Greenfoot and MouseInfo)

/**
 * Write a description of class MyWorld here.
 * 
 * @author (your name) 
 * @version (a version number or a date)
 */
public class MyWorld extends World
{

    /**
     * Constructor for objects of class MyWorld.
     * 
     */
    public MyWorld()
    {    
        // Create a new world with 600x400 cells with a cell size of 1x1 pixels.
        super(600, 400, 1); 
        prepare();
    }

    /**
     * Prepare the world for the start of the program.
     * That is: create the initial objects and add them to the world.
     */
    private void prepare()
    {
        Hangman_Image hangman_image = new Hangman_Image();
        //addObject(hangman_image,123,191);
        addObject(new Game(),406,167);
    }
}